ad5441bcpz-r2 Analog Devices, Inc., ad5441bcpz-r2 Datasheet

ad5441bcpz-r2

Manufacturer Part Number

ad5441bcpz-r2

Description

12-bit Serial Input Multiplying Dac

Manufacturer

Analog Devices, Inc.

Datasheet

1.AD5441BCPZ-R2.pdf (16 pages)

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FEATURES

2.5 V to 5.5 V supply operation

True 12-bit accuracy

5 V operation @ <1 μA

Fast 3-wire serial input

Fast 5 μs settling time

1.9 MHz, 4-quadrant multiply BW

Upgrade for

Standard and rotated pinout

APPLICATIONS

Ideal for PLC applications in industrial control

Programmable amplifiers and attenuators

Digitally controlled calibration and filters

Motion control systems

GENERAL DESCRIPTION

The AD5441 is an improved high accuracy 12-bit multiplying

digital-to-analog converter (DAC) in space-saving 8-lead

packages. Featuring serial input, double buffering, and excellent

analog performance, the AD5441 is ideal for applications where

PC board space is at a premium. Improved linearity and gain

error performance permit reduced part counts through the

elimination of trimming components. Separate input clock and

load DAC control lines allow full user control of data loading

and analog output.

The circuit consists of a 12-bit serial-in/parallel-out shift register, a

12-bit DAC register, a 12-bit CMOS DAC, and control logic.

Serial data is clocked into the input register on the rising edge of

the clock pulse. When the new data-word is clocked in, it is

loaded into the DAC register with the LD input pin. Data in the

DAC register is converted to an output current by the DAC.

Consuming only 1 μA from a single 5 V power supply, the

AD5441 is the ideal low power, small size, high performance

solution to many application problems.

The AD5441 is specified over the extended industrial (−40°C to

+125°C) temperature range. It is available in an 8-lead LFCSP

and an 8-lead MSOP.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

DAC8043

and

DAC8043A

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

FUNCTIONAL BLOCK DIAGRAM

CLK

REF

SRI

12-Bit Serial Input

12-BIT SHIFT

DAC REG

AD5441

DAC

Figure 1.

Multiplying DAC

GND

OUT

AD5441

www.analog.com

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